If you have a VERY tiny wire screen you might be able to put the dreams right on top of it. But if you don't, putting it on top or in the middle of cannabis or another smoke able herb should do. Although I would have to recommend saving up for a GVG (Glass Vapor Genie) as this is the most used and probably most effective method of vaporizing spice.
As for lighting technique, dont torch the s**t of the bowl. Instead, slowly apply flame until the cannabis is cherried, then use the cherry to melt and vape the dmt. Take Three Tokes.
3. 2. 1. Blastoff.